Improvement in shutter-workers



M. M. ZELLERS.

Mmmm-WORKER.

Patented May 22,1877..

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@MW @7g/JWM WITNESSES rUNITEn STATES PATENT OFFICE-J MAHLON M. ZELLERS,OF KENT, OHIO.

IMPROVEMENT IN SHUTTER-WORKERS.

Specification forming part of Letters Patent No. 190,996, dated May 22,1877; application filed May 26, 1876.

To all whom it may concern? Be it known that I, MAHLON M. ZELLERS,

of Kent, in the county of Portage and Stateof Ohio, have .inventedcertain new and useful Improvements in Shutter Openers, Closers, andFasteners; and I do hereby declare the following to be afull, clear, andexact description of the invention, Vsuch as will enable others skilledin the art to which it pertains to make and use it, reference being hadto the accompanying drawings, which form part of this specification.

My invention relates to an improved shutter opener, closer, fastener,and holder, which locks automatically on the inside of the room when theshutter is closed, and operates to open it, and to retain it in positionwhen open.

Figure l of the drawing is an isometric view of a window frame andshutter embodying my invention. Fig. 2 is a detached view of the shutteropening, closing, and fastening device. Figs. 3 and 4 show the lockingmechanism, as seen from within.

My invention consists in the combination, with pivoted bars attached tothe shutters and extending through the window-frame, of a spring securedwithin the opening in the window-frame to secure the notched bar andlock the shutters, as will be hereinafter more fully described, anddefinitely pointed out in the claim.

A represents the window frame; B, the shutter, to the under side, ornear the lower end, of which the link c is pivoted. To the other end ofsaid link c is pivoted the bar or shaft b, which slides in an opening,w, in or under the sill, and extends through and into the room. Saidshaft is provided with a notch, h, which acts in connection with thespring f and notched or slotted plate g, the latter shown detached inFig. 3. The bar or link a is pivoted to shaft b, and is provided with ahandle, as shown. d is a guide-plate, fixed on the sill to prevent thelateral movement of bar b. Near the inner termination of passage isfixed a spring, f, which acts on the bar b, so that when the notch hthereof is brought opposite the plate g in the act of closing theshutter, it causes said plate to engage with said notch, and thus lockthe shutter. The bar or link a can then be turned under the sill,because of the joint n, so as to be out of the way.

When it is desired to open the shutter, the bar a is brought into linewith bar b, and the latter is pushed outward by the former, until theshutter has assumed its full open position, when, in order to cause itto be retained therein, the bar b is pushed still farther outward untilthe link c assumes a right or acute angle therewith, and in this mannerthe shutter is held or fastened, and prevented from being accidentallyclosed.

What I claim as my invention, and desire to secure by Letters Patent, is

The spring f, secured in the opening of the Window-frame, in combinationwith the shutter and links a c, notched link b, and catch g, whereby thespring serves to automatically lock the notched link b to the catch g,and thereby secure the shutter in a xed open or closed position,substantially as and for the purpose specied.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

MAHLON M. ZELLERS.

Witnesses 0. H. NEWBERRY, M. G. GARBIsoN.

